Union is located in Hardin County, Iowa. Union has a 2025 population of 629. Union is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Union is $114,981 with a poverty rate of 1.77%.The median age in Union is 44.6 years: 44.1 years for males, and 44.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Union includes 91.57% White, 4.77% Black or African American, and smaller percentages for Asian, Two or more races and multiracial populations.
White (91.6%)
Black or African American (4.8%)
Asian (2.5%)
Two or more races (1.1%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 576 | 91.57% |
| Black or African American | 30 | 4.77% |
| Asian | 16 | 2.54% |
| Two or more races | 7 | 1.11% |
Married
Widowed
Divorced
Separated
Never Married
Union's average per capita income is $75,662. Household income levels show a median of $113,250. The poverty rate stands at 1.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $132,240 | - |
| Families | $131,823 | $135,502 |
| Households | $113,250 | $114,981 |
| Non Families | - | $60,152 |
Average Income
Median Household Income
Poverty Rate